Annotation of mandoc/mdoc.h, Revision 1.93
1.93 ! kristaps 1: /* $Id: mdoc.h,v 1.92 2010/06/26 15:36:37 kristaps Exp $ */
1.1 kristaps 2: /*
1.90 kristaps 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.56 kristaps 6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 8: *
1.56 kristaps 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 16: */
17: #ifndef MDOC_H
18: #define MDOC_H
19:
1.33 kristaps 20: /*
21: * This library implements a validating scanner/parser for ``mdoc'' roff
22: * macro documents, a.k.a. BSD manual page documents. The mdoc.c file
23: * drives the parser, while macro.c describes the macro ontologies.
24: * validate.c pre- and post-validates parsed macros, and action.c
25: * performs actions on parsed and validated macros.
26: */
27:
1.22 kristaps 28: /* What follows is a list of ALL possible macros. */
29:
1.74 kristaps 30: enum mdoct {
31: MDOC_Ap = 0,
32: MDOC_Dd,
33: MDOC_Dt,
34: MDOC_Os,
35: MDOC_Sh,
36: MDOC_Ss,
37: MDOC_Pp,
38: MDOC_D1,
39: MDOC_Dl,
40: MDOC_Bd,
41: MDOC_Ed,
42: MDOC_Bl,
43: MDOC_El,
44: MDOC_It,
45: MDOC_Ad,
46: MDOC_An,
47: MDOC_Ar,
48: MDOC_Cd,
49: MDOC_Cm,
50: MDOC_Dv,
51: MDOC_Er,
52: MDOC_Ev,
53: MDOC_Ex,
54: MDOC_Fa,
55: MDOC_Fd,
56: MDOC_Fl,
57: MDOC_Fn,
58: MDOC_Ft,
59: MDOC_Ic,
60: MDOC_In,
61: MDOC_Li,
62: MDOC_Nd,
63: MDOC_Nm,
64: MDOC_Op,
65: MDOC_Ot,
66: MDOC_Pa,
67: MDOC_Rv,
68: MDOC_St,
69: MDOC_Va,
70: MDOC_Vt,
71: MDOC_Xr,
72: MDOC__A,
73: MDOC__B,
74: MDOC__D,
75: MDOC__I,
76: MDOC__J,
77: MDOC__N,
78: MDOC__O,
79: MDOC__P,
80: MDOC__R,
81: MDOC__T,
82: MDOC__V,
83: MDOC_Ac,
84: MDOC_Ao,
85: MDOC_Aq,
86: MDOC_At,
87: MDOC_Bc,
88: MDOC_Bf,
89: MDOC_Bo,
90: MDOC_Bq,
91: MDOC_Bsx,
92: MDOC_Bx,
93: MDOC_Db,
94: MDOC_Dc,
95: MDOC_Do,
96: MDOC_Dq,
97: MDOC_Ec,
98: MDOC_Ef,
99: MDOC_Em,
100: MDOC_Eo,
101: MDOC_Fx,
102: MDOC_Ms,
103: MDOC_No,
104: MDOC_Ns,
105: MDOC_Nx,
106: MDOC_Ox,
107: MDOC_Pc,
108: MDOC_Pf,
109: MDOC_Po,
110: MDOC_Pq,
111: MDOC_Qc,
112: MDOC_Ql,
113: MDOC_Qo,
114: MDOC_Qq,
115: MDOC_Re,
116: MDOC_Rs,
117: MDOC_Sc,
118: MDOC_So,
119: MDOC_Sq,
120: MDOC_Sm,
121: MDOC_Sx,
122: MDOC_Sy,
123: MDOC_Tn,
124: MDOC_Ux,
125: MDOC_Xc,
126: MDOC_Xo,
127: MDOC_Fo,
128: MDOC_Fc,
129: MDOC_Oo,
130: MDOC_Oc,
131: MDOC_Bk,
132: MDOC_Ek,
133: MDOC_Bt,
134: MDOC_Hf,
135: MDOC_Fr,
136: MDOC_Ud,
137: MDOC_Lb,
138: MDOC_Lp,
139: MDOC_Lk,
140: MDOC_Mt,
141: MDOC_Brq,
142: MDOC_Bro,
143: MDOC_Brc,
144: MDOC__C,
145: MDOC_Es,
146: MDOC_En,
147: MDOC_Dx,
148: MDOC__Q,
149: MDOC_br,
150: MDOC_sp,
151: MDOC__U,
1.83 kristaps 152: MDOC_Ta,
1.74 kristaps 153: MDOC_MAX
154: };
1.1 kristaps 155:
1.22 kristaps 156: /* What follows is a list of ALL possible macro arguments. */
157:
1.91 kristaps 158: /* FIXME: make this into an enum. */
1.1 kristaps 159: #define MDOC_Split 0
160: #define MDOC_Nosplit 1
161: #define MDOC_Ragged 2
162: #define MDOC_Unfilled 3
163: #define MDOC_Literal 4
164: #define MDOC_File 5
165: #define MDOC_Offset 6
166: #define MDOC_Bullet 7
167: #define MDOC_Dash 8
168: #define MDOC_Hyphen 9
169: #define MDOC_Item 10
170: #define MDOC_Enum 11
171: #define MDOC_Tag 12
172: #define MDOC_Diag 13
173: #define MDOC_Hang 14
174: #define MDOC_Ohang 15
175: #define MDOC_Inset 16
176: #define MDOC_Column 17
177: #define MDOC_Width 18
178: #define MDOC_Compact 19
179: #define MDOC_Std 20
1.37 kristaps 180: #define MDOC_Filled 21
181: #define MDOC_Words 22
182: #define MDOC_Emphasis 23
183: #define MDOC_Symbolic 24
1.47 kristaps 184: #define MDOC_Nested 25
1.70 kristaps 185: #define MDOC_Centred 26
186: #define MDOC_ARG_MAX 27
1.1 kristaps 187:
1.23 kristaps 188: /* Type of a syntax node. */
1.1 kristaps 189: enum mdoc_type {
190: MDOC_TEXT,
191: MDOC_ELEM,
192: MDOC_HEAD,
1.14 kristaps 193: MDOC_TAIL,
1.1 kristaps 194: MDOC_BODY,
1.18 kristaps 195: MDOC_BLOCK,
196: MDOC_ROOT
1.1 kristaps 197: };
198:
1.37 kristaps 199: /* Section (named/unnamed) of `Sh'. */
1.2 kristaps 200: enum mdoc_sec {
1.60 kristaps 201: SEC_NONE, /* No section, yet. */
202: SEC_NAME,
203: SEC_LIBRARY,
204: SEC_SYNOPSIS,
205: SEC_DESCRIPTION,
206: SEC_IMPLEMENTATION,
207: SEC_RETURN_VALUES,
1.68 kristaps 208: SEC_ENVIRONMENT,
1.60 kristaps 209: SEC_FILES,
1.76 kristaps 210: SEC_EXIT_STATUS,
1.60 kristaps 211: SEC_EXAMPLES,
212: SEC_DIAGNOSTICS,
213: SEC_COMPATIBILITY,
214: SEC_ERRORS,
215: SEC_SEE_ALSO,
216: SEC_STANDARDS,
217: SEC_HISTORY,
218: SEC_AUTHORS,
219: SEC_CAVEATS,
220: SEC_BUGS,
1.69 kristaps 221: SEC_SECURITY,
1.76 kristaps 222: SEC_CUSTOM, /* User-defined. */
223: SEC__MAX
1.2 kristaps 224: };
225:
1.29 kristaps 226: /* Information from prologue. */
1.2 kristaps 227: struct mdoc_meta {
1.79 kristaps 228: char *msec;
1.37 kristaps 229: char *vol;
230: char *arch;
1.3 kristaps 231: time_t date;
1.25 kristaps 232: char *title;
233: char *os;
234: char *name;
1.2 kristaps 235: };
236:
1.38 kristaps 237: /* An argument to a macro (multiple values = `It -column'). */
238: struct mdoc_argv {
239: int arg;
240: int line;
241: int pos;
242: size_t sz;
243: char **value;
1.1 kristaps 244: };
245:
1.38 kristaps 246: struct mdoc_arg {
1.1 kristaps 247: size_t argc;
1.38 kristaps 248: struct mdoc_argv *argv;
249: unsigned int refcnt;
1.1 kristaps 250: };
251:
1.82 kristaps 252: enum mdoc_list {
253: LIST__NONE = 0,
254: LIST_bullet,
255: LIST_column,
256: LIST_dash,
257: LIST_diag,
258: LIST_enum,
259: LIST_hang,
260: LIST_hyphen,
261: LIST_inset,
262: LIST_item,
263: LIST_ohang,
264: LIST_tag
265: };
266:
1.84 kristaps 267: enum mdoc_disp {
268: DISP__NONE = 0,
269: DISP_centred,
270: DISP_ragged,
271: DISP_unfilled,
272: DISP_filled,
273: DISP_literal
274: };
275:
1.85 kristaps 276: struct mdoc_bd {
1.87 kristaps 277: const char *offs; /* -offset */
278: enum mdoc_disp type; /* -ragged, etc. */
279: int comp; /* -compact */
1.85 kristaps 280: };
281:
1.86 kristaps 282: struct mdoc_bl {
1.89 kristaps 283: const char *width; /* -width */
1.88 kristaps 284: const char *offs; /* -offset */
1.87 kristaps 285: enum mdoc_list type; /* -tag, -enum, etc. */
286: int comp; /* -compact */
1.86 kristaps 287: };
288:
1.29 kristaps 289: /* Node in AST. */
1.1 kristaps 290: struct mdoc_node {
1.78 kristaps 291: struct mdoc_node *parent; /* parent AST node */
292: struct mdoc_node *child; /* first child AST node */
293: struct mdoc_node *next; /* sibling AST node */
294: struct mdoc_node *prev; /* prior sibling AST node */
295: int nchild; /* number children */
296: int line; /* parse line */
297: int pos; /* parse column */
298: enum mdoct tok; /* tok or MDOC__MAX if none */
1.26 kristaps 299: int flags;
1.78 kristaps 300: #define MDOC_VALID (1 << 0) /* has been validated */
301: #define MDOC_ACTED (1 << 1) /* has been acted upon */
302: #define MDOC_EOS (1 << 2) /* at sentence boundary */
303: #define MDOC_LINE (1 << 3) /* first macro/text on line */
304: enum mdoc_type type; /* AST node type */
305: enum mdoc_sec sec; /* current named section */
1.93 ! kristaps 306: /* FIXME: these can be union'd to shave a few bytes. */
1.38 kristaps 307: struct mdoc_arg *args; /* BLOCK/ELEM */
1.74 kristaps 308: struct mdoc_node *pending; /* BLOCK */
1.38 kristaps 309: struct mdoc_node *head; /* BLOCK */
310: struct mdoc_node *body; /* BLOCK */
311: struct mdoc_node *tail; /* BLOCK */
312: char *string; /* TEXT */
1.82 kristaps 313:
314: union {
1.86 kristaps 315: struct mdoc_bl Bl;
1.85 kristaps 316: struct mdoc_bd Bd;
1.82 kristaps 317: } data;
1.1 kristaps 318: };
319:
1.40 kristaps 320: #define MDOC_IGN_SCOPE (1 << 0) /* Ignore scope violations. */
321: #define MDOC_IGN_ESCAPE (1 << 1) /* Ignore bad escape sequences. */
1.43 kristaps 322: #define MDOC_IGN_MACRO (1 << 2) /* Ignore unknown macros. */
1.38 kristaps 323:
1.60 kristaps 324: /* See mdoc.3 for documentation. */
325:
1.1 kristaps 326: extern const char *const *mdoc_macronames;
327: extern const char *const *mdoc_argnames;
328:
329: __BEGIN_DECLS
330:
331: struct mdoc;
332:
1.60 kristaps 333: /* See mdoc.3 for documentation. */
334:
1.1 kristaps 335: void mdoc_free(struct mdoc *);
1.93 ! kristaps 336: struct mdoc *mdoc_alloc(const struct regset *, void *, int, mandocmsg);
1.73 kristaps 337: void mdoc_reset(struct mdoc *);
1.93 ! kristaps 338: int mdoc_parseln(struct mdoc *, int, char *, int);
1.32 kristaps 339: const struct mdoc_node *mdoc_node(const struct mdoc *);
340: const struct mdoc_meta *mdoc_meta(const struct mdoc *);
1.16 kristaps 341: int mdoc_endparse(struct mdoc *);
1.1 kristaps 342:
343: __END_DECLS
344:
345: #endif /*!MDOC_H*/
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